using System;
using UnityEngine;
using UnityEngine.InputSystem;

public class Note : MonoBehaviour
{
    public int Uid;
    [Header("节拍数据")]
    public double beatTime;      // 绝对击中时刻
    public float approach = 1f;

    [Header("运行参数")]
    [SerializeField] private float speed = 3f;
    private bool judged = false;

    /* 1. 静态：最近一次空格的 dspTime */
    private double lastSpaceTime = double.NegativeInfinity;

    private double spawnTime => beatTime - approach;
    private float spawnY = MusicGame.instance.judgeLine.y + 8f;
    private float judgeY => MusicGame.instance.judgeLine.y;
    private bool canMove = false;

    void Start() => canMove = false;

    void Update()
    {
        double dsp = AudioSettings.dspTime;

        // ① 捕获空格时间戳（只抓第一次）
        if (Keyboard.current.spaceKey.wasPressedThisFrame)
        {
            lastSpaceTime = dsp;
            judged = false;
            Debug.Log("空格时间戳：" + lastSpaceTime);
            Debug.Log("当前时间：" + beatTime);
        }

        // ② 到出生时刻才动
        if (!canMove && dsp >= spawnTime)
            canMove = true;
        if (!canMove) return;

        // ③ 音频时间驱动位置（带平滑）
        float targetY = spawnY - speed * (float)(dsp - spawnTime);
        transform.position = new Vector3(transform.position.x, targetY, transform.position.z);



        // ⑥ 兜底：掉出屏幕
        if (targetY < judgeY)
        {
            Debug.Log($"{dsp - lastSpaceTime}");
            if (dsp - lastSpaceTime <= 0.25f && !judged)
            {
                Debug.Log($"音符 {Uid}击中");
                judged = true;
                lastSpaceTime = double.NegativeInfinity;
                MusicGame.instance.Sroce += 10;
                MusicGame.instance.onNoteHit(Uid);
            }
            else
            {
                MusicGame.instance.onNoteHit(-1);
                Debug.Log($"Miss 音符 {Uid}（超时）");

            }
            Destroy(gameObject);

        }
    }
}